CN103550876B - First aid breathing mask - Google Patents

First aid breathing mask Download PDF

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Publication number
CN103550876B
CN103550876B CN201310555738.XA CN201310555738A CN103550876B CN 103550876 B CN103550876 B CN 103550876B CN 201310555738 A CN201310555738 A CN 201310555738A CN 103550876 B CN103550876 B CN 103550876B
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China
Prior art keywords
mask
outer face
connecting piece
breathing mask
fixed connecting
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Expired - Fee Related
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CN201310555738.XA
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Chinese (zh)
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CN103550876A (en
Inventor
张宇辉
李华军
李忠红
杨会锁
杨洋
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BETHUNE MEDICAL MATTER OFFICER SCHOOL OF PEOPLES LIBERATION ARMY
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BETHUNE MEDICAL MATTER OFFICER SCHOOL OF PEOPLES LIBERATION ARMY
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Priority to CN201310555738.XA priority Critical patent/CN103550876B/en
Publication of CN103550876A publication Critical patent/CN103550876A/en
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Publication of CN103550876B publication Critical patent/CN103550876B/en
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Abstract

The present invention relates to a kind of first aid breathing mask, its structure comprises outer face mask and internal layer oronasal mask, the face shield ring stand at outer face mask edge is connected to denomination safe edge and head hoop band, internal layer oronasal mask is provided with air suction valve and outlet valve, have in the both sides of outer face mask and connect mouth, connect described at least one on mouth and be connected with Miniature oxygen cylinder by fixed connecting piece, the seal cover of Miniature oxygen cylinder is connected to gas outlet and air damper, fixed connecting piece is connected to medicine atomizer, be connected to communicating pipe between gas outlet on seal cover and medicine atomizer, the oxygen in Miniature oxygen cylinder is made to pass through seal cover, air damper, communicating pipe, gas channel in medicine atomizer and fixed connecting piece enters in the face shield chamber of breathing mask.Using the present invention, can be the timely oxygen supplys of the wounded at first aid scene, to improve the state of anoxic in wounded's body, reduces the extent of damage, improves treatment rate.

Description

First aid breathing mask
Technical field
The present invention relates to a kind of breathing mask, specifically a kind of first aid breathing mask.
Background technology
First aid breathing mask is mainly used in chemical warfare and public contingent even.Discharge the occasion of leaking with poisonous chemical gases at chemical warfare agent, poisoning situation occurs because sucking toxic gas to cause Field Force.If field first aid emergency oxygen supply is timely, just can solving chemical warfare agent and poisonous chemical gases well, to leak initiation personnel poisoning and cause the life-threatening problem of human body anoxia.Emergency oxygen supply can improve the level of poisoning patient arterial partial pressure of oxygen and oxygen saturation by raising oxygen concentration and oxygen flow, promote metabolism, alleviate hypoxic conditions, further developing of symptom management, for gas casualty in the wings hospital carry out rescuing and treatment is raced against time and created conditions.Therefore, be the timely oxygen supplys of the wounded within the first aid on-the-spot very first time, being very important, is also the key factor affecting treatment rate.
But be all use conventional breathing mask at present, and in emergency rescue process, there is following problem in conventional breathing mask:
(1) common breathing mask does not possess oxygen supply function, there is the problem that cannot solve oxygen supply after wearing breathing mask.If give wounded's oxygen supply separately, the problem that cannot solve again sealing gas defence and be isolated from the outside.Because gas defence isolation and oxygen supply can not synchronously be carried out, therefore greatly have impact on treatment rate;
(2) existing breathing mask belongs to negative inspiratory pressure, concerning poisoning comparatively dark, the wounded that respiratory function is more weak, owing to there is inspiratory resistance problem, therefore, can cause the expiratory dyspnea of the wounded after wearing a gas mask, be unfavorable for the treatment to the wounded;
(3) the common breathing mask used at present and easily cause suffocating of the wounded with the breathing mask of air blast function under hypoxemia or oxygen-free environment, has the problem that breathing mask cannot use;
(4) although existing respirator has gas defence for airway dysfunction, not for the battlefield wounded rescue and design use, have heavy, bulky problem, on-the-spot rescue carries very inconvenient.
No. ZL201120020440.5 patent discloses one " three anti-medical rescue breathing masks ", and its structure comprises face shield and canister, is fixedly connected with liquid oxygen storage tank in the outside of face shield, and the oxygen supplying tube be connected on liquid oxygen storage tank leads in face shield.The patent provides the mode of operation of autonomous positive pressure ventilation, be suitable for using and giving treatment to the cardiorespiratory failure wounded.But because liquid oxygen storage tank in use must be kept upright state, and on-the-spot rescue certainly exists the process that personnel move, and thus this breathing mask is less compliant in field first aid and uses.In addition, liquid oxygen to there is resource few, also have the many difficulties such as aerating, transport and preservation, and the volume of liquid oxygen storage tank is comparatively large, therefore there is many use and limit to and inadequate convenience.
Summary of the invention
Object of the present invention is just to provide a kind of first aid breathing mask, to solve the problem that existing breathing mask uses inconvenience and is unsuitable for on-the-spot rescue.
The present invention is achieved in that a kind of first aid breathing mask, comprise outer face mask and be connected to the internal layer oronasal mask in described outer face mask, the face shield ring stand at described outer face mask edge is connected to for sealing cover face flexible denomination safe edge and fix the head hoop band of breathing mask at head, the side of described internal layer oronasal mask is provided with air suction valve, is provided with outlet valve in the bottom of described internal layer oronasal mask, offer respectively in the both sides of described outer face mask and connect mouth, connect described at least one on mouth and be connected with Miniature oxygen cylinder by fixed connecting piece, the bottleneck assembly of described Miniature oxygen cylinder is connected to seal cover, described seal cover is connected to gas outlet and air damper, described fixed connecting piece is connected to medicine atomizer, be connected to communicating pipe between described gas outlet on described seal cover and described medicine atomizer, make the oxygen in described Miniature oxygen cylinder can by described seal cover, described air damper, described communicating pipe, gas channel in described medicine atomizer and described fixed connecting piece enters in the face shield chamber between described outer face mask and described internal layer oronasal mask.
The flexible catch that isolated gas leaks outside is provided with at the described internal orifice place connecting mouth.
In the inner chamber of described medicine atomizer, be provided with the dielectric core bar containing drug ingedient, be provided with the connection tube head be threaded with the screw on described fixed connecting piece on the top of described medicine atomizer; Described screw is the front port of the gas channel offered in described fixed connecting piece.
Canister mouth connecting and can carry out the air sucked filtering sterilization is connected described in one of them in described outer face mask.
First aid breathing mask of the present invention connects mouth by offering two in outer face mask, a Miniature oxygen cylinder and a canister can be connected, thus form two gas circuit gas-supplying structure---when wounded's respiratory function is stronger, utilize the pernicious gas in canister filtered air, realize filter poison and breathe; When wounded's respiratory function is weak or the condition of the injury is critical, oxygen cylinder switch can be opened, directly to air feed in breathing mask, realize autonomous positive pressure ventilation.When oxygen consuming amount is larger, also can connects on mouth at two and connect a Miniature oxygen cylinder separately, so just can extend service life, for the follow-up rescue of the wounded and effective treatment create conditions.
The connecting pipeline of Miniature oxygen cylinder connects small drug atomizer, the medicine added in small drug atomizer can by the confession aerodynamic force of Miniature oxygen cylinder, be atomized under gas impacts, respiratory tract and the lung of the wounded is entered with air-flow, thus reach the object of drug treatment, for rescue and treatment create conditions.
First aid breathing mask of the present invention has first aid and gas defence two functions, mainly use in chemical warfare or public contingent even, both be used in injured, the poisoning personnel in battlefield that chemical warfare agent discharges or the scene that poisonous chemical gases is leaked, be also applicable to the use of saving oneself of poisonous Field Force.
Its function of emergency treatment is embodied in: first aid breathing mask of the present invention carries Miniature oxygen cylinder and medicine atomizer, the high-concentration oxygen of certain flow can be provided the wounded, medicine atomizer can provide short time atomization medicine, for the follow-up rescue of gas casualty creates conditions.
Its gas defence function embodiment exists: first aid breathing mask of the present invention carries the malicious device of supporting filter; can filter by toxic gas to external world; meanwhile, breathing mask also by the tight attaching of denomination safe edge on human body Head And Face, can carry out closure protection to organs such as the eye of wounded's head, nose, mouths.
Chemical warfare agent and poisonous chemical gases leak caused by personnel poisoning, can human body anoxia be caused, threat to life safety.First aid breathing mask of the present invention can realize field first aid emergency oxygen supply, and this is the key means rescuing gas casualty.Emergency oxygen supply is by improving oxygen concentration and oxygen flow, improve the level of poisoning patient arterial partial pressure of oxygen and oxygen saturation, promote metabolism, alleviate hypoxic conditions, thus the further developing of symptom management, for poisoning patient, next step send the rescue of base hospital and treatment to strive for the time, created condition.Therefore, this breathing mask is utilized to be wounded's oxygen supply in the first aid on-the-spot very first time, the state of anoxic in wounded's body can be improved, for maintain wounded's life system and cardio-pulmonary function normal, improve treatment rate and reduce the extent of damage, all there is very important function and significance.
The invention has the advantages that:
(1) on breathing mask, add Miniature oxygen cylinder, make breathing mask add oxygen supply function, gas defence, oxygen supply integration, gas defence oxygen supply can synchronously be carried out.The small drug atomizer of configuration can atomized medicine introducing, has certain medical functions.
(2) breathing mask of the present invention adopts gas oxygen air feed, and the feature such as gaseous state oxygen has the wide model of resource, and aerating, transport and preservation are all very convenient, and Miniature oxygen cylinder is relative to liquid-oxygen container, and volume is little, easy to use.Amount of oxygen entrained by this breathing mask is emergent gas-storing capacity, and its principle is just enough, and therefore, the volume of Miniature oxygen cylinder is little, lightweight, and after equipped, the weight of breathing mask increases and not obvious.Breathing mask volume of the present invention is little, lightweight, easy to carry, and oxygen cylinder all can provide reliable oxygen under various position in breathing mask, not by the restriction of the condition such as setting position and state, it is a kind of first aid breathing mask that really can be useful in in-situ curing.
(3) breathing mask of the present invention adopts two gas circuit gas-supplying structure, not only there are first aid and gas defence two functions, and two gas circuit gas-supplying structure is safe and reliable, after oxygen is finished, the second gas circuit is entered in face shield by canister and continues air feed, reduces the generation of fortuitous event.
(4) gas circuit of breathing mask of the present invention adopts double series-wound chambers gas-supplying structure.Oxygen in Miniature oxygen cylinder, by after small drug atomizer, is introduced into the face shield chamber in breathing mask, and then enters in the respiratory cavity that to be surrounded by internal layer oronasal mask and formed through air suction valve, breathes for the wounded.Oxygen in Miniature oxygen cylinder, after small drug atomizer, enters the face shield chamber in breathing mask, and when wounded's air-breathing, oxygen enters in respiratory cavity by the air suction valve in internal layer oronasal mask, and supply the wounded breathe; When the wounded exhale, the pressure increase in respiratory cavity, air suction valve is closed automatically, now oxygen only converges in face shield chamber, can not enter in respiratory cavity, thus also would not discharge breathing mask by outlet valve with expiration, the use of oxygen can be saved like this, improve and use gas efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1, head hoop band, 2, Miniature oxygen cylinder, 3, air suction valve, 4, fixed connecting piece, 5, air gauge, 6, seal cover, 7, air damper, 8, communicating pipe, 9, medicine atomizer, 10, to give vent to anger guard, 11, outlet valve, 12, canister, 13, mouth is connected, 14, outer face mask, 15, internal layer oronasal mask, 16, face shield ring stand, 17, denomination safe edge, 18, bottleneck assembly.
Detailed description of the invention
As shown in Figure 1, the outer face mask 14 of first aid breathing mask of the present invention is transparent cover, has face shield ring stand 16, be snapped with in the bottom of outer face mask 14 guard 10 of giving vent to anger at the edge conjunction of outer face mask 14.Be connected in outer face mask 14 inner bottom surface that front end is closed, the internal layer oronasal mask 15 of open rearward end, its rear end opening part can cover oral area and the nose of people, forms respiratory cavity.Be respectively arranged with one-way intake valve 3 at the position in two sides of internal layer oronasal mask 15, corresponding nostril, be provided with unidirectional outlet valve 11 in the bottom of internal layer oronasal mask 15, the gas of exhalation enters air by outlet valve 11 and outer field guard 10 of giving vent to anger.
The face shield ring stand 16 at outer face mask edge is connected to flexible denomination safe edge 17, in order to seal up human body face.Denomination safe edge 17 has the flanging of varus, to realize wearing the rear positiver sealing to human body face, meanwhile, between outer face mask 14 and internal layer oronasal mask 15, also can form closed face shield chamber.Face shield ring stand 16 is also connected to head hoop band 1, in order to overhead to go up across cover, fixes this breathing mask.
Offer respectively at position on the lower side, the both sides of outer face mask 14 and connect mouth 13, the circular outer connecting mouth 13 is shaped with external screw thread, the internal orifice connecting mouth 13 is provided with the flexible catch that isolated gas leaks outside, form one-way valve structures.Connect on right side fixed connecting piece 4 that mouth 13 has been threaded, in fixed connecting piece 4, have gas channel; The outboard end of fixed connecting piece 4 makes pipe clamp structure, and the bottleneck position of Miniature oxygen cylinder 2 is lived in clamping.Be connected to bottleneck assembly 18 at the bottle mouth position of Miniature oxygen cylinder 2, bottleneck assembly 18 is connected to air gauge 5; Bottleneck assembly 18 has been threaded seal cover 6, is provided with the gas outlet connecting pipe 8 at the end face of seal cover 6, has the air damper 7 of needle handle formula in the side cross-under of seal cover 6.The handle of swirling eddy adjuster 7, the i.e. size of adjustable Miniature oxygen cylinder gas output, air gauge 5 provides the concrete numerical values recited of gas flow modulation.
Fixed connecting piece 4 is connected to medicine atomizer 9.Medicine atomizer 9 is the thin rod shape body of three grades of docking, is provided with dielectric core bar within it, in order to pharmaceutical-impregnated in chamber.During use, by oxygen for aerodynamic force by medicinal atomized, realize direct administration during first aid.The medicine of dipping can be the alcohol of 30%, also can be the medicines such as sodium acid carbonate, aminophylline, dexamethasone, Proca.
The port car of the gas channel in fixed connecting piece 4 is shaped with internal thread, forms screw; Connection tube head is shaped with in the upper end of medicine atomizer 9.Connection tube head on medicine atomizer 9 is threaded with the screw on fixed connecting piece 4, to be fixedly connected with medicine atomizer 9.One end of communicating pipe 8 is connected in the lower port of medicine atomizer 9, and the other end is connected on the gas outlet on seal cover 6, forms complete air supply channel.
Connect in the left side of outer face mask 14 on mouth 13 and connected canister 12.Canister can adopt has the good commercial gas filtering product filtering Disinfection Effect for toxic and harmful.
The confession oxygen capacity of first aid breathing mask of the present invention is 36L(30Mp), if the configuration of two gas cylinder, can 72L be used.Oxygen cylinder capacity 120ML.Oxygen supply and atomising device full weight are no more than 520g.Medicine atomizer aerosolized medication about 0.1g per minute.Oxygen flow 0-3L is adjustable.
The using method of first aid breathing mask of the present invention is: first aid breathing mask be buckled in wounded's face and be with head hoop band 1, then opening oxygen cylinder switch.If need drug therapy, can by infusion of medicine atomizer.Oxygen in Miniature oxygen cylinder 2 can be entered by the gas channel in seal cover 6, air damper 7, communicating pipe 8, medicine atomizer 9 and fixed connecting piece 4 in the face shield chamber between outer face mask 14 and internal layer oronasal mask 15.Operational version one, Miniature oxygen cylinder 2 and small drug atomizer 9 are arranged on the right side of outer face mask 14, and canister 12 is arranged on the left side of outer face mask 14.Its advantage is after oxygen supply uses, and the wounded can continue to breathe by canister 12, dual fail-safe; Its shortcoming is that the service time under anaerobic environment is shorter.Operational version two, Miniature oxygen cylinder 2 and small drug atomizer 9 are arranged on the left and right sides of outer face mask 14 respectively, two gas cylinder air feed.Its advantage is for the heavier patient of the state of an illness or under oxygen-free environment condition, can the oxygen supply of long period, is also applicable to the scene of a fire personnel in accident or the use of saving oneself of the Field Force under toxic gas environment.

Claims (4)

1. a first aid breathing mask, it is characterized in that, comprise outer face mask and be connected to the internal layer oronasal mask in described outer face mask, guard of giving vent to anger is snapped with in the bottom of described outer face mask, the face shield ring stand at described outer face mask edge is connected to for sealing cover face flexible denomination safe edge and fix the head hoop band of breathing mask at head, the side of described internal layer oronasal mask is provided with air suction valve, is provided with outlet valve in the bottom of described internal layer oronasal mask, offer respectively in the both sides of described outer face mask and connect mouth, connect described at least one on mouth and be connected with Miniature oxygen cylinder by fixed connecting piece, the bottleneck assembly of described Miniature oxygen cylinder is connected to seal cover, described seal cover is connected to gas outlet and air damper, described fixed connecting piece is connected to medicine atomizer, be connected to communicating pipe between described gas outlet on described seal cover and described medicine atomizer, make the oxygen in described Miniature oxygen cylinder can by described seal cover, described air damper, described communicating pipe, gas channel in described medicine atomizer and described fixed connecting piece enters in the face shield chamber between described outer face mask and described internal layer oronasal mask.
2. first aid breathing mask according to claim 1, is characterized in that, is provided with the flexible catch that isolated gas leaks outside at the described internal orifice place connecting mouth.
3. first aid breathing mask according to claim 1 and 2, it is characterized in that, in the inner chamber of described medicine atomizer, be provided with the dielectric core bar containing drug ingedient, be provided with the connection tube head be threaded with the screw on described fixed connecting piece on the top of described medicine atomizer; Described screw is the front port of the gas channel offered in described fixed connecting piece.
4. first aid breathing mask according to claim 1 and 2, is characterized in that, connects canister mouth connecting and can carry out the air sucked filtering sterilization described in one of them in described outer face mask.
CN201310555738.XA 2013-11-11 2013-11-11 First aid breathing mask Expired - Fee Related CN103550876B (en)

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104324458A (en) * 2014-10-17 2015-02-04 王庆忠 Emergency oxygen supply respirator
CN105327468A (en) * 2015-11-13 2016-02-17 惠州市环发环保科技有限公司 Mask
CN105327465A (en) * 2015-11-13 2016-02-17 惠州市环发环保科技有限公司 High-reliability protective mask
CN106215344A (en) * 2016-09-30 2016-12-14 桂林师范高等专科学校 A kind of fire self-help life-saving device
CN106422101A (en) * 2016-10-31 2017-02-22 山西新华化工有限责任公司 Structure-reliable easily mounted waterproof shade of gas mask
CN107096146A (en) * 2017-04-28 2017-08-29 孟祥力 A kind of filtermask

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CN201978370U (en) * 2011-01-22 2011-09-21 李华军 Gas mask used for three-protection medical rescue
CN203598386U (en) * 2013-11-11 2014-05-21 中国人民解放军白求恩医务士官学校 First-aid gas defense mask

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Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2098938U (en) * 1991-10-17 1992-03-18 黄国金 Multi-function face guard
CN2312042Y (en) * 1997-11-24 1999-03-31 牛永杰 Inhalator for medicine and oxygen
CN2721141Y (en) * 2004-08-27 2005-08-31 鸿图医疗器材制造厂有限公司 Face mask for breathing
CN200987819Y (en) * 2006-07-26 2007-12-12 刘春宁 Oxygen mask with atomization function
CN201978370U (en) * 2011-01-22 2011-09-21 李华军 Gas mask used for three-protection medical rescue
CN203598386U (en) * 2013-11-11 2014-05-21 中国人民解放军白求恩医务士官学校 First-aid gas defense mask

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